US Bridges

Norton Road over Black River

Good

Lewis County, New York · 3.9 MI S of Port Leyden · Structure no. 000000003339650

Built
1987
38 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
2 main spans
Daily traffic
231
2020 count
Owner
County
County Highway Agency

About this bridge

Norton Road over Black River is a steel stringer/multi-beam or girder carrying Norton Road over Black River in Lewis County, New York. It was built in 1987, so it is 38 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 231 vehicles a day, roughly 17% of them trucks, projected to reach 323 by 2040. The structure is 203 ft (61.9 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNorton Road
CrossesBlack River
Location3.9 MI S of Port Leyden
Coordinates43.53224, -75.30839
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span99 ft (30.2 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic231 (2020)
Projected traffic323 by 2040
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Norton Road over Black River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Norton Road over Black River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Norton Road over Black River carry?

About 231 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Norton Road over Black River?

The structure is 203 ft (61.9 m) long with a longest span of 99 ft (30.2 m) and a deck 18 ft wide.

Who owns Norton Road over Black River?

It is owned by the County Highway Agency.